Tiddles, the station cat at Newport, Monmouthshire, is given a hand with her five new kittens by the railway guards, 1937.

Photo: Fox Photos, Getty Images

Tiddles, the station cat at Newport, Monmouthshire, is given a...

Tiddles, the station cat at Newport, Monmouthshire, is given a... Photo-4230454.57185 - SFGate

Image 25 of 41

Whisky the cat was 'babysitting' for young Jaqueline Hewitt's doll, but found it so comfortable in the pram that he fell asleep on the job, 1954.

Photo: Fox Photos, Getty Images

Whisky the cat was 'babysitting' for young Jaqueline Hewitt's doll,...

Whisky the cat was 'babysitting' for young Jaqueline... Photo-4230455.57185 - SFGate

Image 26 of 41

A kitten hangs from a fallen Christmas tree while another sits in the wrapping of the presents below, 1945.

Photo: Lambert, Getty Images

A kitten hangs from a fallen Christmas tree while another sits in...

A kitten hangs from a fallen Christmas tree while another sits in... Photo-4230456.57185 - SFGate

Image 27 of 41

Dinner time is tough for little one year old David Cawley who has to contend with wild animals in order to get his food in 1967. His father Mr Cawley is a manager of a Lion Reserve and is temporarily raising this orphaned lion cub.

Photo: Ian Tyas, Getty Images

Dinner time is tough for little one year old David Cawley who has...

Dinner time is tough for little one year old David Cawley who has... Photo-4230458.57185 - SFGate

Image 28 of 41

A stray kitten is bound for the Lynton and Lynmouth district of Devon in 1952.

Photo: Keystone, Getty Images

A stray kitten is bound for the Lynton and Lynmouth district of...

A stray kitten is bound for the Lynton and Lynmouth district of... Photo-4230461.57185 - SFGate

Image 29 of 41

A kitten in a basket, 1932.

Photo: Frances Partridge, Getty Images

A kitten in a basket, 1932.

A kitten in a basket, 1932. Photo-4230462.57185 - SFGate

Image 30 of 41

Eight week old tiger cubs belonging to Ranee, a tiger at Whipsnade Zoo in 1937.